more coverity fixes

[proxmark3-svn] / client / cmdlfpresco.c

diff --git a/client/cmdlfpresco.c b/client/cmdlfpresco.c
index 8ac3a71ea94254a721017152eaa2a79d0657d277..4fdf1be57e6f70a69e4ca77f0296343c1191cec7 100644 (file)
--- a/client/cmdlfpresco.c
+++ b/client/cmdlfpresco.c
@@ -91,7 +91,7 @@ int GetWiegandFromPresco(const char *Cmd, uint32_t *sitecode, uint32_t *usercode
        if(cmdp == 0) errors = 1;
 
        //Validations
-       if(errors) return -1;
+       if(errors || stringlen == 0) return -1;
 
        if (!hex) {
                for (int index =0; index < strlen(id); ++index) {